Lembong, ⁠Patrisia ., V. N. J. . Rotty, E. J. Usoh, and R. J. Mongdong. “The Influence of Principal Leadership Style and Professional Competence on Teachers’ Teaching Skills in Tomohon City”. International Journal of Information Technology and Education, vol. 5, no. 2S, Apr. 2026, pp. 55-63, https://www.ijite.jredu.id/index.php/ijite/article/view/331.